<?php
/*
 * Copyright (c) 2009 Tom Smith (tom@takeontom.com).
 * 
 * Distributed under the terms of the GNU Lesser General Public License.
 * 
 * ---------------------------------------------------------------------------------
 * 
 * This file is part of Seraph PHP Framework.
 *
 * Seraph PHP Framework is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Seraph PHP Framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Seraph PHP Framework.  If not, see <http://www.gnu.org/licenses/>.
*/


/**
 * Stores and processes data relating to the request made to the site.
 * 
 * @author Tom
 *
 */
class Request	{
	
	protected $requestData;
	
	protected $baseURL;

	
	public function __construct($baseURL, array $requestData)	{
		if (!isset($requestData['REQUEST_URI']))	{
			throw new InvalidArgumentException('REQUEST_URI must be set in request data array');
		}
		$this->baseURL = $baseURL;
		$this->requestData = $requestData;
	}
	
	/**
	 * Gets the useful bit of the requested url.
	 * 
	 * @return string
	 */
	public function getRequestedPath()	{
		$requestURI = $this->getRequestURI();
		$baseURL = $this->getBaseURL();
		
		$out = substr($requestURI, strlen($baseURL));

		return $out;
	}
	
	/**
	 * Gets the requested URI from the request data
	 * @return string
	 */
	public function getRequestURI()	{
		return $this->requestData['REQUEST_URI'];
	}
	
	/**
	 * Retrieve the base URL used when calculating the request
	 * @return string
	 */
	public function getBaseURL()	{
		return $this->baseURL;
	}
	
}
?>